제출 #246740

#제출 시각아이디문제언어결과실행 시간메모리
246740SomeoneUnknownList of Unique Integers (FXCUP4_unique)C++17
100 / 100
5 ms512 KiB
#include "unique.h"

std::vector<int> PickUnique(int N) {
    std::vector<int> isunique;
    isunique.push_back(1);
    int prv = 1;
    for(int i = 1; i < N; i++){
        int cur = UniqueCount(0, i);
        isunique.push_back(cur == (prv+1));
        prv = cur;
    }
    prv = 1;
    for(int i = N-2; i >= 0; --i){
        int cur = UniqueCount(i, N-1);
        if(cur != prv+1) isunique[i] = 0;
        prv = cur;
    }
	return isunique;
}
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